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From fleet monitoring and management, to production and compaction measurement, to operator guidance and awareness, Cat Connect Technology helps operations of all sizes and types work more efficiently, profitably and safely.

The purpose of the SITECH AccuGrade™ Grade Control System is to calculate the exact elevation and blade slope of your equipment. It’s a cost-effective way to increase the grading accuracy of your equipment that also requires less labor compared to other practices. Accugrade offers sonic, laser, cross slope, GPS and ATS features.

Power Train

Cutting System

Milling Width

79.1in

Maximum Milling Depth

13in

Number of Bits

178

Rotor Speeds

100 / 109 / 118 rpm

Simple Operation

Information at your fingertips

The touchscreen display provides easy-to-read gauges, function indicators and warning indicators to keep the operator informed of machine operation and vital systems. It also displays video from the optional remote cameras if equipped. An optional second display can provide an additional monitor for machine functions.

Ergonomic Controls

The instrumentation layout has been designed for ergonomic comfort and ease of use. Keypad controls are positioned within easy reach for the operator and are backlit for comfortable low light operation.

Automated Functions

There are several automated functions to simplify operation. The operator's platform has a ‘hold' button to stop the machine and pause various functions while making truck interchanges or job stops. It returns to previous working speed and functions when deactivated. There is a speed limit to allow the operating speed to set to ensure consistent operations. The machines are equipped with position sensing cylinders in the posts and hydraulic systems, providing basic machine function improvements such as service height indications and rear leg auto-stop. It also enables the optional Cat Grade Control system to include additional capabilities.

Cat Grade Control Option

The PM820 can be equipped with integrated Cat Grade Control. The 2D-capable/3D-ready grade and slope system automatically controls rotor depth and cross slope to a preset cutting depth, and can be enhanced for full 3D control with the addition of optional equipment. The base system is fully integrated with the machine, providing easier, more precise operation and better system protection. The system can be configured with contacting or non-contacting grade sensors including Cat sonic sensors and mounting hardware, the side plate position or optional inboard ski.

Ground Control Consoles

Ground control consoles are located at every corner of the machine to provide convenient control of select machine functions.

Comfortable Operator's Station

High Visibility

The operator's platform provides excellent visibility around the machine. The platform extends beyond the perimeter of the machine to optimize sight lines. Optional remote cameras can enhance the view to the front and rear of the machine, and optional magnetic mount cameras can be positioned to provide enhanced views to critical areas.

Dual Control Consoles

The operator's platform features dual control consoles to provide optimized, comfortable control from either side of the machine.

Power Sun Canopy Option

The power sun canopy can deploy and retract to a storage position without disrupting operation. When in storage position, it does not impede visibility or operation of the machine. The canopy can be equipped with optional front and rear windscreens that protect the entire width of the operator station.

Suspension Seats Option

Two (2) suspension seats reduce fatigue and allow seated operation. Seats can fold into a storage position that does not impede movement on the operator's platform.

Lockable Storage

A large cabinet provides lockable storage on the operator's platform.

Dust Abatement System Option

The system utilizes a vacuum that pulls dust from the collecting conveyor and the transitional zone between the collecting and loading conveyors. The dust is ejected through the loading conveyor along with the discharge material.

Versatile and Productive

High Manueverability

Advanced steering with four steering modes provide exceptional manueverability for maximum production and precision even in tight spaces.

Grade Control Flexibility

The machine provides many mounting points for sensors, as well as optional Cat Grade Control that is integrated with the machine, providing the ultimate in precision and control.

Cat Diamond Bits Option

Cat Diamond Bits last up to 80 times longer than conventional carbide cutting bits to provide greater production, up to 15% decreased fuel consumption and less wear on the machine.

Dependable Powertrain

A powerful Cat C18 engine provides 597 kW (800.6 hp) to a robust propel system with a diagonal cross flow design that provides exceptional traction. The pumps drive opposing track motors, front to back and side to side, to ensure the machine has power across the center of gravity of the machine. In extreme conditions, automatic traction control minimizes slippage by providing more power to tracks that grip.

The loading conveyor provides 60 degrees of swing to the right or left of center to optimize and simplify truck loading. A "boost" feature can temporarily extend the throwing distance, ensuring balanced loading of the material in the truck.

Designed for Easy Service

Excellent Access

Large doors provide access to critical components and systems.

Visual Indicators

Visual indicators provide service status at a glance for simple daily maintenance.